CH242963A - Vorrichtung zur Phasenmodulation elektrischer Schwingungen. - Google Patents

Vorrichtung zur Phasenmodulation elektrischer Schwingungen.

Info

Publication number
CH242963A
CH242963A CH242963DA CH242963A CH 242963 A CH242963 A CH 242963A CH 242963D A CH242963D A CH 242963DA CH 242963 A CH242963 A CH 242963A
Authority
CH
Switzerland
Prior art keywords
phase modulation
electrical vibrations
vibrations
electrical
modulation
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of CH242963A publication Critical patent/CH242963A/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/18—Angle modulation by means of variable impedance by means of a variable reactive element the element being a current-dependent inductor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Magnetic Treatment Devices (AREA)
  • Amplitude Modulation (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CH242963D 1943-06-21 1944-06-20 Vorrichtung zur Phasenmodulation elektrischer Schwingungen. CH242963A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL242963X 1943-06-21

Publications (1)

Publication Number Publication Date
CH242963A true CH242963A (de) 1946-06-15

Family

ID=19780690

Family Applications (1)

Application Number Title Priority Date Filing Date
CH242963D CH242963A (de) 1943-06-21 1944-06-20 Vorrichtung zur Phasenmodulation elektrischer Schwingungen.

Country Status (7)

Country Link
US (1) US2569309A (xx)
BE (1) BE456412A (xx)
CH (1) CH242963A (xx)
DE (1) DE862315C (xx)
FR (1) FR905717A (xx)
GB (1) GB620424A (xx)
NL (1) NL64980C (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE507449A (xx) * 1950-11-30
US2755446A (en) * 1951-06-30 1956-07-17 Cgs Lab Inc Variable inductance control method and apparatus
US2742613A (en) * 1951-07-26 1956-04-17 Cgs Lab Inc Variable time delay system
US2762984A (en) * 1952-06-18 1956-09-11 Du Mont Allen B Lab Inc Continuously variable pulse delay system
US2907957A (en) * 1952-12-31 1959-10-06 Cgs Lab Inc Electrically variable delay line
US2926311A (en) * 1955-01-19 1960-02-23 Cgs Lab Inc Variable frequency signal generator
US2786940A (en) * 1956-01-13 1957-03-26 Nat Union Electric Corp Superheterodyne receiver with common variable saturating means having tracking provision for tuning inductances
US2940055A (en) * 1956-06-22 1960-06-07 Walter J Brown Phase modulator and clipper
US2938180A (en) * 1956-10-25 1960-05-24 Witz Gerhard H De Use of electrically controllable variable inductor for tuning purposes
DE1227167B (de) * 1957-11-27 1966-10-20 Telefunken Patent Elektronisch steuerbare Verzoegerungsleitung
US2946967A (en) * 1958-01-07 1960-07-26 Daniel S Elders Delay lines
US3002160A (en) * 1958-01-29 1961-09-26 Gen Electric Phase modulation system
NL243306A (xx) * 1958-09-13
DE1276132B (de) * 1964-07-06 1968-08-29 Siemens Ag Elektrisches UEbertragungsglied nach Art eines Vierpols mit amplitudenabhaengigem UEbertragungsmass

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1357264A (en) * 1919-09-27 1920-11-02 American Telephone & Telegraph Magnetic modulator
US2278658A (en) * 1939-12-06 1942-04-07 Rca Corp Frequency modulation

Also Published As

Publication number Publication date
GB620424A (en) 1949-03-24
US2569309A (en) 1951-09-25
NL64980C (xx)
BE456412A (xx)
FR905717A (fr) 1945-12-12
DE862315C (de) 1953-01-08

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